<!-- 拼团商品详情 -->
<template>
  <s-layout :onShareAppMessage="shareInfo" navbar="goods">
    <!-- 标题栏 -->
    <detailNavbar />
    <!-- 骨架屏 -->
    <detailSkeleton v-if="state.skeletonLoading" />
    <!-- 下架/售罄提醒 -->
    <s-empty
      v-else-if="
        state.goodsInfo === null ||
        state.activity.status !== 0 ||
        state.activity.endTime < new Date().getTime()
      "
      text="活动不存在或已结束"
      icon="/static/soldout-empty.png"
      showAction
      actionText="返回上一页"
      @clickAction="sheep.$router.back()"
    />
    <block v-else>
      <view class="detail-swiper-selector">
        <!-- 商品图轮播 -->
        <su-swiper
          class="ss-m-b-14"
          isPreview
          :list="state.goodsSwiper"
          dotStyle="tag"
          imageMode="widthFix"
          dotCur="bg-mask-40"
          :seizeHeight="750"
        />

        <!-- 价格+标题 -->
        <view class="title-card detail-card ss-m-y-14 ss-m-x-20 ss-p-x-20 ss-p-y-34">
          <view class="ss-flex ss-row-between ss-m-b-60">
            <view>
              <view class="price-box ss-flex ss-col-bottom ss-m-b-18">
                <view class="price-text ss-m-r-16">
                  {{ fen2yuan(state.activity.price || state.goodsInfo.price) }}
                </view>
                <view class="tig ss-flex ss-col-center">
                  <view class="tig-icon ss-flex ss-col-center ss-row-center">
                    <view class="groupon-tag">
                      <image :src="sheep.$url.static('/static/img/shop/goods/groupon-tag.png')">
                      </image>
                    </view>
                  </view>
                  <view class="tig-title">拼团价</view>
                </view>
              </view>
              <view class="ss-flex ss-row-between">
                <!--    <view
                  class="origin-price ss-flex ss-col-center"
                  v-if="state.goodsInfo.price"
                >
                  单买价：
                  <view class="origin-price-text">
                    {{ fen2yuan(state.goodsInfo.price) }}
                  </view>
                </view> -->
              </view>
            </view>

            <view class="countdown-box" v-if="endTime.ms > 0">
              <view class="countdown-title ss-m-b-20">距结束仅剩</view>
              <view class="ss-flex countdown-time">
                <view class="ss-flex countdown-h">{{ endTime.h }}</view>
                <view class="ss-m-x-4">:</view>
                <view class="countdown-num ss-flex ss-row-center">{{ endTime.m }}</view>
                <view class="ss-m-x-4">:</view>
                <view class="countdown-num ss-flex ss-row-center">{{ endTime.s }}</view>
              </view>
            </view>
            <view class="countdown-title" v-else> 活动已结束 </view>
          </view>

          <view class="title-text ss-line-2 ss-m-b-6">{{ state.goodsInfo.name }}</view>
          <view class="subtitle-text ss-line-1">{{ state.goodsInfo.introduction }}</view>
        </view>

        <!-- 功能卡片 -->
        <view class="detail-cell-card detail-card ss-flex-col">
          <!-- 规格 -->
          <detail-cell-sku :sku="state.selectedSkuPrice" @tap="state.showSelectSku = true" />
        </view>

        <!-- 参团列表 -->
        <groupon-card-list v-model="state.activity" @join="onJoinGroupon" />

        <!-- 规格与数量弹框 -->
        <s-select-groupon-sku
          :show="state.showSelectSku"
          :goodsInfo="state.goodsInfo"
          :grouponAction="state.grouponAction"
          :grouponNum="state.grouponNum"
          @buy="onBuy"
          @change="onSkuChange"
          @close="onSkuClose"
        />
      </view>

      <!-- 评价 -->
      <detail-comment-card class="detail-comment-selector" :goodsId="state.goodsId" />
      <!-- 详情 -->
      <detail-content-card class="detail-content-selector" :content="state.goodsInfo.description" />

      <!-- 商品tabbar -->
      <!-- TODO: 已售罄、预热 判断 设计-->
      <detail-tabbar v-model="state.goodsInfo">
        <view class="buy-box ss-flex ss-col-center ss-p-r-20">
          <button
            class="ss-reset-button origin-price-btn ss-flex-col"
            @tap="sheep.$router.go('/pages/goods/index', { id: state.goodsInfo.id })"
          >
            <view class="btn-price">{{ fen2yuan(state.goodsInfo.marketPrice) }}</view>
            <view>原价购买</view>
          </button>
          <button
            class="ss-reset-button btn-tox ss-flex-col"
            @tap="onCreateGroupon"
            :class="
              state.activity.status === 0 && state.goodsInfo.stock !== 0
                ? 'check-btn-box'
                : 'disabled-btn-box'
            "
            :disabled="state.goodsInfo.stock === 0 || state.activity.status !== 0"
          >
            <view class="btn-price">{{
              fen2yuan(state.activity.price || state.goodsInfo.price)
            }}</view>
            <view v-if="state.activity.startTime > new Date().getTime()">未开始</view>
            <view v-else-if="state.activity.endTime <= new Date().getTime()">已结束</view>
            <view v-else>
              <view v-if="state.goodsInfo.stock === 0">已售罄</view>
              <view v-else>立即开团</view>
            </view>
          </button>
        </view>
      </detail-tabbar>
    </block>
  </s-layout>
</template>

<script setup>
import { reactive, computed } from 'vue';
import { onLoad, onPageScroll } from '@dcloudio/uni-app';
import sheep from '@/sheep';
import { isEmpty } from 'lodash';
import detailNavbar from './components/detail/detail-navbar.vue';
import detailCellSku from './components/detail/detail-cell-sku.vue';
import detailTabbar from './components/detail/detail-tabbar.vue';
import detailSkeleton from './components/detail/detail-skeleton.vue';
import detailCommentCard from './components/detail/detail-comment-card.vue';
import detailContentCard from './components/detail/detail-content-card.vue';
import grouponCardList from './components/groupon/groupon-card-list.vue';
import { useDurationTime, formatGoodsSwiper, fen2yuan } from '@/sheep/hooks/useGoods';
import CombinationApi from '@/sheep/api/promotion/combination';
import SpuApi from '@/sheep/api/product/spu';

const headerBg = sheep.$url.css('/static/img/shop/goods/groupon-bg.png');
const btnBg = sheep.$url.css('/static/img/shop/goods/groupon-btn.png');
const disabledBtnBg = sheep.$url.css('/static/img/shop/goods/activity-btn-disabled.png');
const grouponBg = sheep.$url.css('/static/img/shop/goods/groupon-tip-bg.png');

onPageScroll(() => {});
const state = reactive({
  skeletonLoading: true, // 骨架屏
  goodsId: 0, // 商品ID
  goodsInfo: {}, // 商品信息
  goodsSwiper: [], // 商品轮播图
  showSelectSku: false, // 显示规格弹框
  selectedSkuPrice: {}, // 选中的规格价格
  activity: {}, // 团购活动
  grouponId: 0, // 团购ID
  grouponNum: 0, // 团购人数
  grouponAction: 'create', // 团购操作
  combinationHeadId: null, // 拼团团长编号
});

// 倒计时
const endTime = computed(() => {
  return useDurationTime(state.activity.endTime);
});

// 规格变更
function onSkuChange(e) {
  state.selectedSkuPrice = e;
}

function onSkuClose() {
  state.showSelectSku = false;
}

// 发起拼团
function onCreateGroupon() {
  state.grouponAction = 'create';
  state.grouponId = 0;
  state.showSelectSku = true;
}

/**
 * 去参团
 * @param record 团长的团购记录
 */
function onJoinGroupon(record) {
  state.grouponAction = 'join';
  state.grouponId = record.activityId;
  state.combinationHeadId = record.id;
  state.grouponNum = record.userSize;
  state.showSelectSku = true;
}

// 立即购买
function onBuy(sku) {
  sheep.$router.go('/pages/order/confirm', {
    data: JSON.stringify({
      order_type: 'goods',
      combinationActivityId: state.activity.id,
      combinationHeadId: state.combinationHeadId,
      items: [
        {
          skuId: sku.id,
          count: sku.count,
        },
      ],
    }),
  });
}

// 分享信息
// TODO @芋艿：分享的接入
const shareInfo = computed(() => {
  if (isEmpty(state.activity)) return {};
  return sheep.$platform.share.getShareInfo(
    {
      title: state.activity.name,
      image: sheep.$url.cdn(state.goodsInfo.picUrl),
      params: {
        page: '3',
        query: state.activity.id,
      },
    },
    {
      type: 'goods', // 商品海报
      title: state.activity.name, // 商品标题
      image: sheep.$url.cdn(state.goodsInfo.picUrl), // 商品主图
      price: fen2yuan(state.goodsInfo.price), // 商品价格
      marketPrice: fen2yuan(state.goodsInfo.marketPrice), // 商品原价
    },
  );
});

onLoad(async (options) => {
  // 非法参数
  if (!options.id) {
    state.goodsInfo = null;
    return;
  }
  state.grouponId = options.id;
  // 加载活动信息
  const { code, data: activity } = await CombinationApi.getCombinationActivity(state.grouponId);
  state.activity = activity;
  // 加载商品信息
  const { data: spu } = await SpuApi.getSpuDetail(activity.spuId);
  state.goodsId = spu.id;
  activity.products.forEach((product) => {
    spu.price = Math.min(spu.price, product.combinationPrice); // 设置 SPU 的最低价格
  });
  // 关闭骨架屏
  state.skeletonLoading = false;
  if (code === 0) {
    state.goodsInfo = spu;
    state.grouponNum = activity.userSize;
    state.goodsSwiper = formatGoodsSwiper(state.goodsInfo.sliderPicUrls);
  } else {
    // 未找到商品
    state.goodsInfo = null;
  }
});
</script>

<style lang="scss" scoped>
.detail-card {
  background-color: $white;
  margin: 14rpx 20rpx;
  border-radius: 10rpx;
  overflow: hidden;
}

// 价格标题卡片
.title-card {
  width: 710rpx;
  box-sizing: border-box;
  // height: 320rpx;
  background-size: 100% 100%;
  border-radius: 10rpx;
  background-image: v-bind(headerBg);
  background-repeat: no-repeat;

  .price-box {
    .price-text {
      font-size: 30rpx;
      font-weight: 500;
      color: #fff;
      line-height: normal;
      font-family: OPPOSANS;

      &::before {
        content: '￥';
        font-size: 30rpx;
      }
    }
  }

  .origin-price {
    font-size: 24rpx;
    font-weight: 400;
    color: #fff;
    opacity: 0.7;

    .origin-price-text {
      text-decoration: line-through;

      font-family: OPPOSANS;

      &::before {
        content: '￥';
      }
    }
  }

  .tig {
    border: 2rpx solid #ffffff;
    border-radius: 4rpx;
    width: 126rpx;
    height: 38rpx;

    .tig-icon {
      margin-left: -2rpx;
      width: 40rpx;
      height: 40rpx;
      background: #ffffff;
      border-radius: 4rpx 0 0 4rpx;

      .groupon-tag {
        width: 32rpx;
        height: 32rpx;
      }
    }

    .tig-title {
      font-size: 24rpx;
      font-weight: 500;
      line-height: normal;
      color: #ffffff;
      width: 86rpx;
      display: flex;
      justify-content: center;
      align-items: center;
    }
  }

  .countdown-title {
    font-size: 26rpx;
    font-weight: 500;
    color: #ffffff;
  }

  .countdown-time {
    font-size: 26rpx;
    font-weight: 500;
    color: #ffffff;

    .countdown-h {
      font-size: 24rpx;
      font-family: OPPOSANS;
      font-weight: 500;
      color: #ffffff;
      padding: 0 4rpx;
      height: 40rpx;
      background: rgba(#000000, 0.1);
      border-radius: 6rpx;
    }

    .countdown-num {
      font-size: 24rpx;
      font-family: OPPOSANS;
      font-weight: 500;
      color: #ffffff;
      width: 40rpx;
      height: 40rpx;
      background: rgba(#000000, 0.1);
      border-radius: 6rpx;
    }
  }

  .title-text {
    font-size: 30rpx;
    font-weight: bold;
    line-height: 42rpx;
    color: #fff;
  }

  .subtitle-text {
    font-size: 26rpx;
    font-weight: 400;
    color: #ffffff;
    line-height: 42rpx;
    opacity: 0.9;
  }
}

// 购买
.buy-box {
  .disabled-btn-box[disabled] {
    background-color: transparent;
  }

  .check-btn-box {
    width: 248rpx;
    height: 80rpx;
    font-size: 24rpx;
    font-weight: 600;
    margin-left: -36rpx;
    background-image: v-bind(btnBg);
    background-repeat: no-repeat;
    background-size: 100% 100%;
    color: #ffffff;
    line-height: normal;
    border-radius: 0px 40rpx 40rpx 0px;
  }

  .disabled-btn-box {
    width: 248rpx;
    height: 80rpx;
    font-size: 24rpx;
    font-weight: 600;
    margin-left: -36rpx;
    background-image: v-bind(disabledBtnBg);
    background-repeat: no-repeat;
    background-size: 100% 100%;
    color: #999999;
    line-height: normal;
    border-radius: 0px 40rpx 40rpx 0px;
  }

  .origin-price-btn {
    width: 236rpx;
    height: 80rpx;
    background: rgba(#ff5651, 0.1);
    color: #ff6000;
    border-radius: 40rpx 0px 0px 40rpx;
    line-height: normal;
    font-size: 24rpx;
    font-weight: 500;

    .btn-title {
      font-size: 28rpx;
    }
  }

  .btn-price {
    font-family: OPPOSANS;

    &::before {
      content: '￥';
    }
  }

  .more-item-box {
    .more-item {
      width: 156rpx;
      height: 58rpx;
      font-size: 26rpx;
      font-weight: 500;
      color: #999999;
      border-radius: 10rpx;
    }

    .more-item-hover {
      background: rgba(#ffefe5, 0.32);
      color: #ff6000;
    }
  }
}

.groupon-box {
  background: v-bind(grouponBg) no-repeat;
  background-size: 100% 100%;
}

//活动卡片
.activity-box {
  width: 100%;
  height: 80rpx;
  box-sizing: border-box;
  margin-bottom: 10rpx;

  .activity-title {
    font-size: 26rpx;
    font-weight: 500;
    color: #ffffff;
    line-height: 42rpx;

    .activity-icon {
      width: 38rpx;
      height: 38rpx;
    }
  }

  .activity-go {
    width: 70rpx;
    height: 32rpx;
    background: #ffffff;
    border-radius: 16rpx;
    font-weight: 500;
    color: #ff6000;
    font-size: 24rpx;
    line-height: normal;
  }
}

.model-box {
  .title {
    font-size: 36rpx;
    font-weight: bold;
    color: #333333;
  }

  .subtitle {
    font-size: 26rpx;
    font-weight: 500;
    color: #333333;
  }
}

image {
  width: 100%;
  height: 100%;
}
</style>